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authorPaul Kehrer <paul.l.kehrer@gmail.com>2014-02-12 19:24:47 -0600
committerPaul Kehrer <paul.l.kehrer@gmail.com>2014-02-12 19:24:47 -0600
commit2b764a1c7b42a300a6e8b1446a25fdf13aa0eabd (patch)
treefa60f4cbb2ac085daa5e9219d791263baff35859 /docs/hazmat
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parentc43bb7579b4cdb7b0c9306e5444ad94563f081e5 (diff)
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Merge pull request #602 from alex/hkdf-docs
Be clear about HKDF's applicability for password storage
Diffstat (limited to 'docs/hazmat')
-rw-r--r--docs/hazmat/primitives/key-derivation-functions.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/hazmat/primitives/key-derivation-functions.rst b/docs/hazmat/primitives/key-derivation-functions.rst
index 1937c2ec..d8a0e241 100644
--- a/docs/hazmat/primitives/key-derivation-functions.rst
+++ b/docs/hazmat/primitives/key-derivation-functions.rst
@@ -129,6 +129,10 @@ Different KDFs are suitable for different tasks such as:
`HKDF`_ (HMAC-based Extract-and-Expand Key Derivation Function) is suitable
for deriving keys of a fixed size used for other cryptographic operations.
+ .. warning::
+
+ HKDF should not be used for password storage.
+
.. doctest::
>>> import os